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About Zebra
FR55 Product Reference Guide
Wireless
Wireless Wide Area Networks
Additional Cellular Features
Network Connectivity Optimization Tools
FR55 Touch Computer
FR55 Touch Computer
About This Guide
Notational Conventions
Icon Conventions
Service Information
NFC Wayfinding System Disclosure Statement
Determining Software Versions
Determining the Serial Number
Getting Started
Unpacking the Device
Features
StrongBox Secure Element
Setting Up the Device
Installing a microSD Card
Installing a SIM Card
Installing a SAM or Second SIM Card
The Rechargeable Li-Ion Wireless Battery
Installing the Battery
Charging the Device
Charging the Device by USB Cable
Charging Indicators
Charging the Spare Battery
Spare Battery Charging Indicators
Replacing the Battery
Replacing the MicroSD Card
Replacing the SIM Card
Replacing the SAM or Second SIM Card
Using the Device
Home Screen
Setting the Home Screen Rotation
Status Bar
Notification Icons
Status Icons
Managing Notifications
Opening the Quick Access Panel
Quick Access Panel Icons
Editing the Quick Access Tiles
Battery Management
Checking Battery Status
Monitoring Battery Usage
Low Battery Notification
True Battery Hot Swap
Performing a True Battery Hot Swap
Turning Off the Radios
Interactive Sensor Technology
Waking the Device
USB Communication
Transferring Files
Transferring Photos
Disconnect from the Host Computer
Settings
Accessing Settings
Display Settings
Setting the Screen Brightness Manually
Setting the Screen Brightness Automatically
Setting Lock Screen Notifications
Setting Screen Timeout
Setting Dark Theme
Setting Display and Text Sizes
Setting Night Light
Setting Colors
Setting Screen Rotation
Setting the Screen Saver
Setting Screen Orientation
Setting External Screen Resolution
Notification LED Brightness Level
Setting Charging LED Light
Setting Touch Panel Mode
Setting Touch Panel Mode
Setting the Date and Time
General Sound Setting
Sound Options
Zebra Volume Controls
Setting Wake-Up Sources
Remapping a Button
Remappable Keys
Alert Button
Configure the Alert Button
Using an Alert Button
Alert Accessibility Service
Keyboards
Keyboard Configuration
Using the Android and Gboard Keyboards
Edit Text
Entering Numbers, Symbols, and Special Characters
Enterprise Keyboard
Numeric Tab
Alpha Tab
Additional Character Tab
Language Usage
Changing the Language Setting
Adding Words to the Dictionary
Notifications
Setting App Notifications
Viewing Notifications
Controlling Lock Screen Notifications
Enabling Blink Light
Applications
Installed Applications
Accessing Apps
Switching Between Recent Apps
Battery Manager
Battery Manager Information Tab
Camera
Taking Photos
Recording Videos
Quick Camera Photo and Video Mode Settings
Camera and Video Settings
DWDemo
DWDemo Icons
Selecting a Scanner
RxLogger
RxLogger Configuration
Configuration File
Enabling Logging
Disabling Logging
Extracting Log Files
Backing Up Data
RxLogger Utility
Initiating the Main Chat Head
Removing the Main Chat Head
Viewing Logs
Removing a Sub Chat Head Icon
Backing Up In Overlay View
Wireless
Wireless Wide Area Networks
Sharing the Mobile Data Connection
Enabling USB Tethering
Enabling Bluetooth Tethering
Enabling Wi-Fi Hotspot
Configuring the Wi-Fi Hotspot
Data Usage
Setting Data Usage Warning
Setting Data Limit
Cellular Network Settings
Data When Roaming
Enabling Data on GSM Devices
Setting Preferred Network
Configuring the Access Point Name
Activating an eSIM
Deactivating an eSIM
Reactivating an eSim
Erasing an eSIM Profile
Locking the SIM Card
Additional Cellular Features
Network Connectivity Optimization Tools
Configuring Band Preferences on the Device
Creating a Band Lock Profile with StageNow
VoLTE and VoNR Configuration Service Provider Settings
Evolved Multimedia Broadcast Multicast Service (eMBMS)
Network Management Settings Migration
Wireless Local Area Network
Connecting to a Wi-Fi Network
Removing a Wi-Fi Network
WLAN Configuration
Configuring a Secure Wi-Fi Network
Manually Adding a Wi-Fi Network
Configuring a Proxy Server
Configuring the Device to Use a Static IP Address
Wi-Fi Preferences
Additional Wi-Fi Settings
Wi-Fi Direct
Bluetooth
Adaptive Frequency Hopping
Security
Bluetooth Profiles
Bluetooth Power States
Bluetooth Radio Power
Enabling Bluetooth
Disabling Bluetooth
Discovering Bluetooth Device(s)
Changing the Device's Bluetooth Name
Connecting to a Bluetooth Device
Selecting Profiles on the Bluetooth Device
Unpairing a Bluetooth Device
Cast
Calls
Emergency Calling
Audio Modes
Bluetooth Headset
Adjusting Audio Volume
Making a Call Using the Dialer
Accessing Dialing Options
Make a Call Using Contacts
Using the Dialer
Using the Contacts App
Make a Call Using Call History
Using the Call History List
Making a Conference Call on GSM
Making a Call Using a Bluetooth Headset
Answering Calls
Call Settings
Accessories
Inserting a Shim into a Cradle
Charging the Device in a Cradle
1-Slot Charge Only Cradle
1-Slot Charger Only Cradle Setup
Charging the Spare Battery with the 1-Slot Charge Only Cradle
1-Slot USB/Ethernet Charge Cradle
1-Slot USB/Ethernet Charging Cradle Setup
Charging the Spare Battery with the 1-Slot Charge Only Cradle
Ethernet Settings
Configuring Ethernet Proxy Setting
Configuring Ethernet Static IP Address
5-Slot Charge Only Cradle
5-Slot Charge Only Cradle Setup
Installing the 4-Slot Battery Charger
Removing the 4-Slot Battery Charger
5-Slot Ethernet Cradle
5-Slot Ethernet Cradle Setup
Daisy-Chaining Ethernet Cradles
Installing the 4-Slot Battery Charger
Removing the 4-Slot Battery Charger
Ethernet Communication
LED Indicators
Establishing Ethernet Connection
Configuring Ethernet Proxy Setting
Configuring Ethernet Static IP Address
4-Slot Device Charge Only Cradle and Spare Battery Charger
5-Slot (4 Device/4 Spare Battery) Charge Only Cradle with Battery Charger Setup
4-Slot Battery Charger
Single Charger Setup
Two Charger Setup
Charging Spare Batteries
Connect Cradle
Inserting a Device into the Connect Cradle
Charge/USB-C Cable
Power Supply with Plug Adapters
Rugged Boot
Installing the Rugged Boot
Rugged Boot Removal
Stylus and Tether
Stylus and Tether Installation
Stylus and Tether with Hand Strap Installation
Basic Hand Strap
Hand Strap Installation
Hand Strap Removal
Wrist Mount
Installing the Wrist Mount
Installing the Device into the Wrist Mount
Removing the Device from the Wrist Mount
Removing the Wrist Mount
Wall Installation
5-Slot Cradle Bracket Installation
Four 4-Slot Battery Charger Bracket Installation
Mounting a Single Bracket to a Wall
Rack Mount Installation
Application Deployment
Secure Certificates
Installing a Secure Certificate
Configuring Credential Storage Settings
Android Development Tools
Android Development Workstation
Enabling Developer Options
EMDK for Android
StageNow for Android
GMS Restricted
ADB USB Setup
Enabling USB Debugging
Entering Android Recovery Manually
Application Installation Methods
Installing Applications Using the USB Connection
Installing Applications Using the Android Debug Bridge
Installing Applications Using Wireless ADB
Installing Applications Using a microSD Card
Uninstalling an Application
Android System Update
Performing a System Update Using microSD Card
Performing a System Update Using ADB
Verifying System Update Installation
Android Enterprise Reset
Performing an Enterprise Reset Using microSD Card
Performing an Enterprise Reset Using ADB
Android Factory Reset
Performing a Factory Reset Using microSD Card
Performing a Factory Reset Using ADB
Android Storage
Random Access Memory
Viewing Memory
Internal Storage
Viewing Internal Storage
Enterprise Folder
External Storage
Viewing External Storage
Formatting a microSD Card as Internal Memory
Formatting a microSD Card as Portable Storage
Managing Apps
App Details
Managing Downloads
Maintenance and Troubleshooting
Maintaining the Device
Display Best Practices
Best Practices for Enterprise Mobile Devices Operating in Hot Environments and Direct Sunlight
Properly Plugging and Unplugging a USB-C Cable
Connecting a USB-C Cable
Disconnecting a USB-C Cable
Battery Safety Guidelines
Cleaning Instructions
Approved Cleaning and Disinfectant Agents
Cleaning and Disinfecting Guidelines
Cleaning Materials Required
Cleaning Frequency
Special Cleaning Notes
Cleaning the Device
Housing
Display
Battery Guide Slots
Camera and Exit Window
Cleaning the Battery Connector
Cleaning Cradle Connectors
Troubleshooting
Resetting the Device
Performing a Soft Reset
Performing a Hard Reset
Device Troubleshooting
2-Slot Charge Only Cradle Troubleshooting
5-Slot Ethernet Cradle Troubleshooting
5-Slot Charge Only Cradle Troubleshooting
4-Slot Battery Charger Troubleshooting
Technical Specifications
1-Slot Charge Only Cradle Technical Specifications
4-Slot Battery Charger Technical Specifications
5-Slot Charge Only Cradle Technical Specifications
5-Slot Ethernet Cradle Technical Specifications
Connect Cradle Technical Specifications
Charge/USB Cable Technical Specifications
Network Connectivity Optimization Tools
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FR55
Network Connectivity Optimization Tools
Network connectivity optimization tools select Wi-Fi, cellular, and SIM data paths based on network conditions.
These features help maintain reliable data connectivity by selecting a network based on signal quality, not only service availability.
The following features are available:
WAN-WLAN Interworking:
Automatically switches between Wi-Fi and cellular data to maintain a stable connection.
Auto Data Switch:
An enhancement for dual-SIM devices that automatically switches between SIM cards based on network conditions to prevent data disruptions.
Additional Cellular Features
WAN-WLAN Interworking
Auto Data Switch
Signal Strength Values
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